/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.taobao.csp.sentinel.dashboard.util;

import com.taobao.csp.sentinel.dashboard.discovery.MachineDiscovery;
import com.taobao.csp.sentinel.dashboard.discovery.MachineInfo;

/**
 * @author Eric Zhao
 */
public final class MachineUtil {

    public static boolean isMachineHealth(MachineInfo machine) {
        if (machine == null) {
            return false;
        }
        return System.currentTimeMillis() - machine.getTimestamp().getTime() < MachineDiscovery.MAX_CLIENT_LIVE_TIME_MS;
    }
}
